Supporting the full body from beneath, the Zeen Sit-Stand Walker is designed to allow one to stand and walk at his/her natural pace or to sit but still using legs/feet for locomotion. It also has a leverage mechanism that can raise the user from seated to standing position. Other features of this mobility device include: coasting/parking brake, foam swiveling seat, retractable seatbelt, adjustable lift-assist, armrests with seat-height adjustment, footrests, rear caster-wheel locks, rear storage rack, and rear push handles. (Caution: Since one's legs and feet control the Zeen, at no time should it be "ridden downhill" without both feet on the ground.)